One vertex per element, one color per generator, with an edge from x to x·s.
(2,7)(3,8)(9,14)(10,15)(17,18,22,25)(19,23,26,21)(20,24,28,31)(27,29,32,30)(33,34,39,43)(35,40,38,48)(36,37,42,41)(44,46,45,47)(1,2,6,7)(3,4,8,11)(5,9,13,14)(10,12,15,16)(17,19)(18,23)(20,27)(21,25)(22,26)(24,29)(28,32)(30,31)(33,35,39,38)(34,40,43,48)(36,45,42,44)(37,47,41,46)(3,8)(4,11)(5,13)(9,14)(19,26)(20,28)(21,23)(24,31)(33,36,39,42)(34,41,43,37)(35,44,38,45)(40,47,48,46)(1,3)(2,4)(5,10)(6,8)(7,11)(9,12)(13,15)(14,16)(17,20)(18,24)(19,27)(21,30)(22,28)(23,29)(25,31)(26,32)(33,36)(34,37)(35,45)(38,44)(39,42)(40,47)(41,43)(46,48) involution — undirected(1,4)(2,8)(3,7)(5,12)(6,11)(9,15)(10,14)(13,16)(17,21,22,23)(18,19,25,26)(20,29,28,30)(24,32,31,27)(33,37)(34,42)(35,46)(36,43)(38,47)(39,41)(40,45)(44,48)(1,5)(2,9)(3,10)(4,12)(6,13)(7,14)(8,15)(11,16)(17,19)(18,23)(20,27)(21,25)(22,26)(24,29)(28,32)(30,31)(33,38,39,35)(34,40,43,48)(36,44,42,45)(37,47,41,46)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.